506 Black Walnut Pl, Hercules, CA 94547 Property Records

Contra Costa County property record for 506 Black Walnut Pl, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,125 sqft · built 2002
Lot Size	0.101 acres (4,378 sqft)
Owner	Individual Name on Record
Last Sale	$370,000 (Jan 2013)
Tax Bill	$7,549 (2025)
Deeds & Mortgages	Mar 2021 Line of Credit Aug 2017 Line of Credit + 3 more
Flood Zone	Zone X (minimal risk)
APN	`406-540-017`

Property Details

APN / Parcel Number

Primary APN	`406-540-017`
Alternative APN	`406-540-017-0`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,125 sqft Living Area
1st Floor Area	920 sqft
2nd Floor Area	1,205 sqft

Exterior

Year Built	Built 2002
Effective Year Built	Effective 2002
Architectural Style	Cluster
Lot Area	4,378 sqft (0.101 acres)
Garage Type	Attached
Garage Area	415 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	506 BLACK WALNUT PL
City	HERCULES
State	CA
Zip	94547-2300
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8422 L17
Legal Subdivision	SUBDIVISION 8422
Legal Tract	8422
Legal Lot Number	17
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1001
Census Tract	359203

Owner

Source: Contra Costa County records, as of July 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	506 BLACK WALNUT PL, HERCULES, CA 94547-2300
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 11, 2021	Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND
Aug 10, 2017	Deed of Trust, Mortgage · Line of Credit TRAVIS CU
May 13, 2020	Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND
Sep 15, 2020	Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION
Apr 4, 2017	Deed of Trust, Mortgage · Conventional Mortgage SPRING EQ LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 31, 2013 · Amount on Record
Deed Sale	Jan 31, 2013 · Amount on Record
Prior Sale	Oct 8, 2012 · Amount on Record
Deed Document Number	201326987
Prior Transfer Date	Aug 6, 2007
Prior Transfer Doc	0000234661
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	506 BLACK WALNUT PL, HERCULES, CA 94547-2300
Transaction Type	Mortgage
Record Updated	Jun 8, 2026
Title Company	TITLE 365, TITLE365

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	506 BLACK WALNUT PL, HERCULES, CA 94547-2300

Mortgage

Document Number	0000074489
Date	Mar 11, 2021
Instrument	2021-074489

Lender

Name	THIRD FSLA OF CLEVELAND
Type	Bank
Address	CLEVELAND, OH 44105

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	359 Months
Due	Feb 25, 2051

August 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	506 BLACK WALNUT PL, HERCULES, CA 94547-2300
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ACCOMMODATION

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000143936
Date	Aug 10, 2017
Instrument	2017-143936

Lender

Name	TRAVIS CU
Type	Credit Union
Address	VACAVILLE, CA 95687

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	301 Months
Due	Sep 2, 2042

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	506 BLACK WALNUT PL, HERCULES, CA 94547-2300
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	TITLE365

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000090875
Date	May 13, 2020
Instrument	2020-090875

Lender

Name	THIRD FSLA OF CLEVELAND
Type	Bank
Address	CLEVELAND, OH 44105

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2050

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	506 BLACK WALNUT PL, HERCULES, CA 94547-2300
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	WFG NATIONAL TITLE IRVINE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	506 BLACK WALNUT PL, HERCULES, CA 94547-2300

Mortgage

Document Number	0000204703
Date	Sep 15, 2020
Instrument	2020-204703

Lender

Name	OWNING CORPORATION
Type	Non-Lending Institution
Address	ORANGE, CA 92868

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Oct 1, 2035

April 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	506 BLACK WALNUT PL, HERCULES, CA 94547-2300
Document Number	0000061763
Instrument Date	Apr 4, 2017
Transaction Type	Mortgage
Record Updated	Apr 25, 2017
Title Company	TITLE 365

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	506 BLACK WALNUT PL HERCULES CA 945472300, HERCULES, CA 94547-2300

Mortgage

Document Number	0000061763
Date	Apr 10, 2017
Instrument	61763

Lender

Name	SPRING EQ LLC
Address	2929 ARCH ST # 500, PHILADELPHIA, PA 19104-2858

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	240 Months
Due	Apr 9, 2037

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Hercules City
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$464,726 (+2%) Land $214,778 Building $249,948
2025	$7,549.00 (+6.25%) Homeowner's exemption	$455,615 (+4.04%) Land $210,567 Building $245,048
2023	$7,105.00 (+1.17%) Homeowner's exemption	$437,926 Land $202,392 Building $235,534
2022	$7,023.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 40% of the US · lower than 76% of California
Wildfire Likelihood	0.07% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 373 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Unwired.

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